It's no secret that Phoenix is hot, but late summer and the start of fall were scorchers, even by Valley of the Sun standards. Between Sept. 23 and Oct. 14, Phoenix set daily record high temperatures ...

Discussion about climate classifications usually revolves around geographic location at a broad scale. One of the most popular climate classification systems, the Köppen system, divides earth into ...

Attribution researches the influence of climate change on local weather and impacts. We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around ...

David Easterling, a NOAA climate scientist, didn’t think much about the rainfall forecast until his wife called him on the evening of Tuesday, Sept. 24, asking whether he’d seen the weather outlook.

TOLEDO, Ohio — In the wake of recent catastrophic flooding in central Texas that claimed over 120 lives, many are beginning to examine the broader climate-related trends contributing to these ...